Advisory Details

January 25th, 2016

Foxit Reader GpRuntime::GpLock::GpLock Use-After-Free Remote Code Execution Vulnerability

CVE ID
CVSS SCORE	6.8, AV:N/AC:M/Au:N/C:P/I:P/A:P
AFFECTED VENDORS	Foxit
AFFECTED PRODUCTS	Foxit Reader
VULNERABILITY DETAILS	This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Foxit Reader. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the way Foxit uses the Gdiplus API. A specially crafted PDF can force a dangling pointer to be reused after it has been freed in GpRuntime::GpLock::GpLock. An attacker can leverage this vulnerability to execute arbitrary code under the context of the current process.
ADDITIONAL DETAILS	Foxit has issued an update to correct this vulnerability. More details can be found at: https://www.foxitsoftware.com/support/security-bulletins.php
DISCLOSURE TIMELINE	2015-12-04 - Vulnerability reported to vendor 2016-01-25 - Coordinated public release of advisory
CREDIT	Jaanus Kp Clarified Security

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